Finding the Fourth Proportional to 2,075.13, 3,113.24 and 1,099.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075.13 : 3,113.24 = 1,099.89 : x
2. Step 2: Convert to fraction form
   2,075.13/3,113.24 = 1,099.89/x
3. Step 3: Cross multiply
   2,075.13x = 3,113.24 × 1,099.89
4. Step 4: Simplify right side
   2,075.13x = 3,424,216.04
5. Step 5: Solve for x
   x = 3,424,216.04/2,075.13
6. Step 6: Final answer
   x = 1,650.12